L 9531-class landing craft
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 | |
| Class overview | |
|---|---|
| Name | L 9531 |
| Builders | Rijkswerf Willemsoord, Den Helder |
| Operators |  Royal Netherlands Navy |
| Built | 1955–1956 |
| In commission | 1955–1963 |
| Completed | 7 |
| Retired | 7 |
| General characteristics | |
| Type | Landing craft |
| Displacement | 55 t (54 long tons) |
| Length | 25.25 m (82 ft 10 in) |
| Beam | 4.50 m (14 ft 9 in) |
| Draught | 1 m (3 ft 3 in) |
| Propulsion |
|
| Speed | 10 knots (19 km/h; 12 mph) |
| Crew | 6 |
| Armament |
|
The L 9531-class landing craft, also known as Type LCPR (Landing Craft Personnel Regional),[1] was a class of seven landing craft that were built by Rijkswerf Willemsoord for the Royal Netherlands Navy (RNLN).[2] During their service in the RNLN they were permanently stationed in Dutch New Guinea.[3] Shortly before the transfer of Dutch New Guinea to the United Nations Temporary Executive Authority, the seven landing craft were decommissioned on 13 February 1963 and transferred to the United Nations Security Force.[4]
The L 9531-class landing craft were built between 1955 and 1956 at Rijkswerf Willemsoord in Den Helder, Netherlands.[1][2][5] They had a standard displacement of 55 tons and a complement of six.[2] When it came to measurements, the L 9531-class landing craft had a length of 25.25 metres (82 ft 10 in), a beam of 4.50 metres (14 ft 9 in) and a draught of 1 metre (3 ft 3 in).[1] Furthermore, they were equipped with two Kromhout 8-cylinder four-stroke diesel engines that could produce 200 shaft horsepower (150 kW).[4][2][1] This could drive the two shafts to maximum speed of 10 knots (19 km/h; 12 mph).[2] As armament the craft had two 12.7 mm (0.50 in) machine guns and two 7.62 mm (0.300 in) machine guns.[4]
Service history
The L 9531 class entered into service of the Royal Netherlands Navy in 1955 and were permanently stationed in Dutch New Guinea.[3][2]
Between 1955 and 1956 L 9531 was temporarily made available for hydrographic survey and research activities around Dutch New Guinea.[6]
In March 1962 it was reported that a L 9531-class landing craft was attacked near Gag Island by B-25 Mitchell aircraft of the Indonesian Air Force.[1] That same year the seven landing craft were taken out of service.[7] The following year, on 13 February 1963, they were decommissioned and transferred to the United Nations Security Force.[4]
Craft
| Name | Builder | Laid down | Launched | Commissioned | Decommissioned | Fate |
|---|---|---|---|---|---|---|
| L 9531 | Rijkswerf Willemsoord, Den Helder, Netherlands |
23 May 1955 | 11 June 1955 | 19 August 1955 | 13 February 1963 | Transferred to the United Nations Security Force. |
| L 9532 | 27 June 1955 | 6 August 1955 | 12 September 1955 | 13 February 1963 | Transferred to the United Nations Security Force. | |
| L 9533 | 16 July 1955 | 6 August 1955 | 28 September 1955 | 13 February 1963 | Transferred to the United Nations Security Force. | |
| L 9534 | 22 August 1955 | 21 September 1955 | 8 November 1955 | 13 February 1963 | Transferred to the United Nations Security Force. | |
| L 9535 | 7 September 1955 | 21 September 1955 | 6 December 1955 | 13 February 1963 | Transferred to the United Nations Security Force. | |
| L 9536 | 17 October 1955 | 19 November 1955 | 15 December 1955 | 13 February 1963 | Transferred to the United Nations Security Force. | |
| L 9537 | 31 October 1955 | 19 November 1955 | 21 January 1956 | 13 February 1963 | Transferred to the United Nations Security Force. |
See also
Equivalent landing ships of the same era